Theron Solutions
Senior Electrical Design Engineer
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Senior Electrical Design Engineer
We are looking for a Senior Electrical Design Engineer with 5-15 years of experience to take ownership of our industrial AC power architecture as we scale from 1 megawatt to multi-megawatt synthetic fuel plants. You'll be joining a lean, high-ownership engineering team at one of Europe's most well-funded hardware startups, designing electrical systems that power modular direct air capture, electrolyzer, and reactor subsystems. We need someone who combines deep technical experience in power systems and functional safety with the creativity to challenge conventional engineering approaches because we're designing for lowest cost of methane production, not highest efficiency. This is a foundational hire to bring in-house expertise that prevents costly redesigns as we scale toward 50MW unit production.
What will you be doing?
- Own the full AC power system architecture — optimizing power conversion, distribution, and balance of plant for cost, manufacturability, and reliability at megawatt scale
- Produce and maintain power architecture schematics, protection strategies, cable sizing calculations, and panel designs that meet regulatory requirements
- Lead or contribute to safety system architecture including HAZOPs, HAZIDs, FMEAs, and functional safety standards (IEC 61508) — ensuring designs are safe for environments with hydrogen present
- Design electrical systems (3-phase, motors, pumps, heaters, I/Os) across the reactor, electrolyzer, and direct air capture subsystems, accounting for variable solar-powered production profiles
- Lead panel certification activities under the Machinery Directive and Low Voltage Directive (CE/UKCA) and mentor junior engineers
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Seniority
- 5 - 15 years of experience in industrial electrical design (power systems, process plants, or industrial machinery)
Work experience
- Designed megawatt-scale AC power architectures for industrial or process plant systems
- Experience with functional safety (IEC 61508, SIL/SIF) in regulated or hazardous environments
- Worked in a fast-paced startup or novel technology environment (e.g., eVTOL, solar, carbon capture, vertical farms)
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Education
- Degree in electrical engineering or closely related discipline
- Strong academic background (top university or demonstrable high performance)
Hard skills
- Industrial power system design: protection strategies, cable sizing, panel design, 3-phase systems
- Electrical CAD proficiency (EPLAN, Solidworks Electrical, or AutoCAD Electrical)
- ATEX/hazardous area classification or high-power DC systems experience
Soft skills
- Creative problem-solver who challenges conventional engineering approaches rather than defaulting to standard industry practice
Miscellaneous
- Willing to work in-person 5 days/week in London (Bermondsey); relocation support available
Our client is an Equal Opportunity Employer, committed to a workplace free from discrimination and harassment. Employment decisions are based on business needs, job requirements, and individual qualifications without regard to race, color, religion, gender, age, disability, sexual orientation, gender identity, marital status, military service, genetic information, or any other status protected by law.
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